I have a 2012 F250 with 6500 miles on it. So let me start by saying that 6500 miles is my total experience with diesel and if this is dumb then I plead newbie. My experience with turbos is a bit more in that many of the aircraft I fly or flew have them. The older ones had manual wastegates and you were limited to some number of in/lbs you set with the manifold pressure lever. If you were careless and pushed the manifold pressure lever up to max while at sea level (taking off) you could expect the turbo to exit the aircraft. (Actually saw this happen when a guy used to flying at a 3000ft airport took off from one at sea level and just pushed the lever up cause it's what he "always did") . Later versions were automated so that you couldn't over boost them and I am guessing that our trucks are auto to give us our indicated boost.

So here's my question, have read about any number of turbo failures on our trucks. A turbo making 10 inches at sea level won't have to spin as fast as one making 10 inches at 3000 feet. Is it possible that altitude has something to do with our failures? Are people at higher altitudes losing turbos sooner than those of us at sea level?

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